JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox" name="priv" value="1"/>
<input type="checkbox" name="priv" value="2"/>
<input type="checkbox" name="priv" value="3"/>
<input type="checkbox" name="priv" value="4"/>
<input type="checkbox" name="priv" value="5"/>
<input type="checkbox" name="priv" value="6"/>
<input type="checkbox" name="priv" value="7"/>
<input type="checkbox" name="priv" value="8"/>

JavaScript

//$(":checkbox").filter({"value":5}).attr("checked","true");
$(":checkbox").find({"value":5}).attr("checked","true");